public abstract Class AbstractCheckpointAlgorithm

Implements javax.batch.api.chunk.CheckpointAlgorithm.beginCheckpoint.

Override this method for the CheckpointAlgorithm to do something before a checkpoint interval begins (before the next chunk transaction begins). The default implementation does nothing.

Annotations

@Override

Exceptions

Exception:

(or subclass) if an error occurs.

Implements javax.batch.api.chunk.CheckpointAlgorithm.checkpointTimeout.

Override this method if the CheckpointAlgorithm establishes a checkpoint timeout. The default implementation returns 0, which means the maximum permissible timeout allowed by the runtime environment.

Returns:int

the timeout interval (expressed in seconds) to use for the next checkpoint interval

Annotations

@Override

Exceptions

Exception:

(or subclass) if an error occurs.

Implements javax.batch.api.chunk.CheckpointAlgorithm.endCheckpoint.

Override this method for the CheckpointAlgorithm to do something after a checkpoint is taken (after the chunk transaction is committed). The default implementation does nothing.

Annotations

@Override

Exceptions

Exception:

(or subclass) if an error occurs.

Redeclares javax.batch.api.chunk.CheckpointAlgorithm.isReadyToCheckpoint.

Implement logic in this method to decide if a checkpoint should be taken now.

Returns:boolean

boolean indicating whether or not to checkpoint now.

Annotations

@Override

Exceptions

Exception:

(or subclass) if an error occurs.